Grand Case is a city of approximately 6,300 people in 00, MF. Located in the America/Marigot time zone at 18.1°N latitude.
In 2025, Grand Case recorded an average annual temperature of 81°F. The hottest temperatures reached 86°F in September; the coolest were 74°F in April. Total precipitation for the year was 31 inches, with the wettest month being October.
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